diff options
Diffstat (limited to 'drivers/usb/class/usblp.c')
| -rw-r--r-- | drivers/usb/class/usblp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index bba22e97ea0f..7ce43fb8118a 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -379,6 +379,8 @@ static int usblp_open(struct inode *inode, struct file *file) usblp->writeurb->transfer_buffer_length = 0; usblp->wcomplete = 1; /* we begin writeable */ usblp->rcomplete = 0; + usblp->writeurb->status = 0; + usblp->readurb->status = 0; if (usblp->bidir) { usblp->readcount = 0; @@ -751,6 +753,7 @@ static ssize_t usblp_read(struct file *file, char __user *buffer, size_t count, schedule(); } else { set_current_state(TASK_RUNNING); + down(&usblp->sem); break; } down (&usblp->sem); |